body{
    margin: 0;/* 外边距 0不用给单位 */
    padding: 0;
    min-width: 100%;
    min-height: 100vh;
    color: #295287;
}
.big_box{
    display:flex;
}
.wrap{
    width: 20%;
    height: 100vh;
    background-color:#4b6383;
    overflow:auto;
}
.seg {
    height: 1px;
    width: 100%;
    background-color: black;
}
.item a {
    display: block;
    width: 100%;
    height: 50px;
    color: white;
    text-decoration: none;
    text-align: center;
    line-height: 50px;
    font-size: 20px;
}
.item a:hover{
    color: #FFFFFF;
    background-color: #15305a;
}
.item_title{
    display: block;
    width: 100%;
    height: 50px;
    color: white;
    text-decoration: none;
    text-align: center;
    line-height: 50px;
    font-size: 25px;
}
.main{
    margin-left: 30px;
}
.main h1{
    font-size: 25px;
    margin-left: 10px;
}
table{
    border-collapse: collapse;
    border:2px solid #295287;
    margin-left:10px;
}
.table th,td{
    border:1px solid #295287;
    border-spacing: 15px 15px;
}
.selected{
    margin:10px 0;
    margin-left: 10px;
}
.table button{
    background-color: #f33f53;
    color:white;
    border:3px solid #f33f53;
    border-radius: 5px;
}
.classification{
    width:80px;
    height:26px;
    border:1px solid #295287;
}
.header{
    background-color: #4b6383;
    text-align: center;
    color:white;
    font-size: 18px;
    height:38px;
    padding-top:5px;
}
.button{
    background-color: #308ad9;
    color:white;
    border: 3px solid #308ad9;
    border-radius: 5px;
}
.exit{
    font-size: 15px;
    color:white;
    float:right;
    margin-right: 20px;
}
.modal{
    position:fixed;
    position: absolute;
    left:0;
    top:0;
    bottom: 0;
    width:100%;
    height: 106vh;
    background-color: #FFFFFF;
    background:rgba(0,0,0,.5);
    z-index: 10;
    display: none;
}
.modal-dialog {
    position: absolute;
    width: 360px;
    left:50%;
    top:40%;
    margin:-40px 0 0 -180px;
    border:1px solid white;
    background-color: white;
    overflow: hidden;
}
.modal-header{
    padding-left:85%;
}
.modal-title{
    padding-left: 40px;
}
.modal-footer{
    margin-left: 30px;
    margin-right: 20px;
}
.button{
    background-color: #308ad9;
    color:white;
    border: 3px solid #308ad9;
    border-radius: 5px;
}
.btn_default{
    background-color: #308ad9;
    color:white;
    border: 3px solid #308ad9;
    border-radius: 2px;
}
.btn_primary{
    background-color: #308ad9;
    color:white;
    border: 3px solid #308ad9;
    border-radius: 2px;
}
.close{
    background-color: #f33f53;
    color:white;
    border: 3px solid #f33f53;
    border-radius: 2px;

}
.input{
    color:#295287;
    border:1px solid #295287;
    width:120px;
}
/*
个人信息*/
/*个人信息*/
.ps_info{
    margin-left: 30px;
}
.ps_info h1{
    font-size: 25px;
    margin-left: 10px;
}
.info{
    margin-left: 10px;
}
.modify{
    margin-left:10px;
    margin-top: 20px;
}